diff --git a/README.md b/README.md
index 777d3db..912a872 100644
--- a/README.md
+++ b/README.md
@@ -26,11 +26,13 @@ $app->add(new \Slim\HttpCache\Cache('public', 86400));
 $container = $app->getContainer();
 
 // Register service provider
-$container->register(new \Slim\HttpCache\CacheProvider);
+$container['cache'] = function () {
+    return new \Slim\HttpCache\CacheProvider();
+};
 
 // Example route with ETag header
 $app->get('/foo', function ($req, $res, $args) {
-    $resWithEtag = $this['cache']->withEtag($res, 'abc');
+    $resWithEtag = $this->cache->withEtag($res, 'abc');
 
     return $resWithEtag;
 });
diff --git a/src/CacheProvider.php b/src/CacheProvider.php
index 3cfa5b3..e39cbad 100644
--- a/src/CacheProvider.php
+++ b/src/CacheProvider.php
@@ -2,22 +2,10 @@
 namespace Slim\HttpCache;
 
 use InvalidArgumentException;
-use Pimple\Container;
-use Pimple\ServiceProviderInterface;
 use Psr\Http\Message\ResponseInterface;
 
-class CacheProvider implements ServiceProviderInterface
+class CacheProvider
 {
-    /**
-     * Register this cache provider with a Pimple container
-     *
-     * @param  Container $container
-     */
-    public function register(Container $container)
-    {
-        $container['cache'] = $this;
-    }
-
     /**
      * Enable client-side HTTP caching
      *